SEC Form 4 · accession 0000899243-19-002137
Seres Therapeutics, Inc. · MCRB
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
John G. Aunins
Officer — Chief Technology Officer
Period of report
Jan 25, 2019
Accepted (ET)
Jan 29, 2019 · 6:51 pm EST
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001609809
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| COMMON STOCKF1 | Jan 26, 2019 | M | 7,500 | — | A | 92,750 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| STOCK OPTION (RIGHT TO BUY)F2 | $6.01 | Jan 25, 2019 | A | 60,000 | A | — | Jan 24, 2029 | Common Stock | 60,000 | 60,000 | D |
| RESTRICTED STOCK UNITSF1,F3 | — | Jan 26, 2019 | M | 7,500 | D | — | — | Common Stock | 7,500 | 12,500 | D |
Explanation of responses
- F1Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.
- F2The option will vest as to 25% of the shares on January 25, 2020. The remainder of the shares will vest in 12 equal quarterly installments thereafter.
- F3These restricted stock units have vested and settled or will vest and settle as to 20% of the restricted stock units on January 26, 2018, 30% on January 26, 2019, and 50% on January 26, 2020.